
(a) which keeper supervises which animal;
(b) which food an animal eats;
(c) which food a keeper supervises;
(d) which food a keeper eats;
(e) which animal likes which food;
(f) which animal is fed by which keeper.
Which of the above statements are true? You may wish to qualify a simple true/false
decision with some additional comment. (5 min)
)DQWUDSV
A relationship fan exists where two or more relationship occurrences of the same type fan
out from the same entity occurrence. Some of the more deceptive connection traps are
associated with structures where fans belonging to different relationship types can emanate
from the same entity occurrence, ...